Home / 12,187,797.38-16,819,162.81-6,755,289.38

Finding the Fourth Proportional to 12,187,797.38, 16,819,162.81 and 6,755,289.38

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Solution

The fourth proportional to 12,187,797.38, 16,819,162.81 and 6,755,289.38 is: 9,322,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,797.38 : 16,819,162.81 = 6,755,289.38 : x
  2. Step 2: Convert to fraction form
    12,187,797.38/16,819,162.81 = 6,755,289.38/x
  3. Step 3: Cross multiply
    12,187,797.38x = 16,819,162.81 × 6,755,289.38
  4. Step 4: Simplify right side
    12,187,797.38x = 113,618,311,809,899.92
  5. Step 5: Solve for x
    x = 113,618,311,809,899.92/12,187,797.38
  6. Step 6: Final answer
    x = 9,322,300.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.